[Prof. Arnold] Barnett...expanded his analysis of airline empty middle seats by formulating a statistical study on traveling by car.

“While flying is more hazardous now, so is practically everything else,” Mr. [Arnold] Barnett said.

Arnold Barnett found an occupied middle seat increased the odds of virus transmission by 79%.

“The airlines are setting their own policies but the airlines and the public should know about the risk implications of their choices."